Drive device for PTO shaft of working machine
US-11472285-B2 · Oct 18, 2022 · US
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providing power assistance
providing power assistance · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F16D48/04 |
| Official title | providing power assistance |
| Display label | providing power assistance |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Silencer for clutch air booster
US-11176921-B2 · Nov 16, 2021 · US
Clutch control method for vehicle
US-2021324925-A1 · Oct 21, 2021 · US
Drive device for pto shaft of working machine
US-2020248807-A1 · Aug 6, 2020 · US
Drive device for PTO shaft of working machine
US-10632841-B2 · Apr 28, 2020 · US
Electric booster
US-10518762-B2 · Dec 31, 2019 · US
Silencer for clutch air booster
US-2019172436-A1 · Jun 6, 2019 · US
Electric booster
US-2019001948-A1 · Jan 3, 2019 · US
Clutch actuator structure
US-10167908-B2 · Jan 1, 2019 · US
Device for hydraulic control of a clutch and associated vehicle
US-10094434-B2 · Oct 9, 2018 · US
Fluid retention and filtration element for a hydraulic transfer case
US-10077691-B2 · Sep 18, 2018 · US
Hydraulic control device for drive power distribution device
US-10059202-B2 · Aug 28, 2018 · US
Hydraulic control device for drive power distribution device
US-2018037110-A1 · Feb 8, 2018 · US
Drive device for pto shaft of working machine
US-2017368932-A1 · Dec 28, 2017 · US
Device for hydraulic control of a clutch and associated vehicle
US-2016252145-A1 · Sep 1, 2016 · US
Fluid Retention and Filtration Element for a Hydraulic Transfer Case
US-2016208866-A1 · Jul 21, 2016 · US
Vehicle control device
US-9347500-B2 · May 24, 2016 · US
Control system for operating a manual clutch
US-9151347-B1 · Oct 6, 2015 · US
Hydraulic control device for hybrid drive device
US-9140312-B2 · Sep 22, 2015 · US
Transmission gearshift control
US-9014928-B2 · Apr 21, 2015 · US